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    Low power detection of stylus touch down
    1.
    发明授权
    Low power detection of stylus touch down 有权
    触笔低功率检测触屏

    公开(公告)号：US09542014B1

    公开(公告)日：2017-01-10

    申请号：US14303108

    申请日：2014-06-12

    Applicant: Amazon Technologies, Inc.

    Inventor： Kishore Sundara-Rajan

    IPC: G06F3/0354

    CPC classification number: G06F3/03545 ,  G06F3/0383

    Abstract: A stylus device is disclosed that provides a low power and low latency methodology of detecting a touch down event. In an aspect, the stylus device monitors an output of a pressure sensor of the stylus device using an analog comparator, a low power consumption component. When the output of the pressure sensor is greater than a first threshold value, thus indicating physical contact between the tip of the stylus device and a surface, the stylus device determines the output of the pressure sensor using an analog-to-digital converter, a higher power consumption component, to obtain a more accurate measurement of the pressure detected by the pressure sensor. When the output of the pressure sensor is less than a second threshold value, for example, indicative of non-use, the stylus device reverts back to monitoring the output of the pressure sensor using the analog comparator.

    Abstract translation: 公开了一种提供检测触底事件的低功率和低延迟方法的触针装置。 在一方面，触控笔设备使用模拟比较器（低功耗组件）监测触控器装置的压力传感器的输出。 当压力传感器的输出大于第一阈值时，因此指示触针装置的尖端与表面之间的物理接触，触针装置使用模数转换器确定压力传感器的输出， 更高的功耗组件，以获得对压力传感器检测到的压力的更准确的测量。 当压力传感器的输出小于例如指示不使用的第二阈值时，触针装置回复以使用模拟比较器监视压力传感器的输出。

    Configurable active stylus devices
    3.
    发明授权
    Configurable active stylus devices 有权

    公开(公告)号：US09632597B2

    公开(公告)日：2017-04-25

    申请号：US14303053

    申请日：2014-06-12

    Applicant: Amazon Technologies, Inc.

    Inventor： Kishore Sundara-Rajan ,  Lakshman Rathnam

    IPC: G06F3/0354 ,  G06F3/038 ,  G06F3/041 ,  G06F3/044

    CPC classification number: G06F3/03545 ,  G06F3/038 ,  G06F3/0416 ,  G06F3/044 ,  G06F8/65 ,  G06F2203/0384

    Abstract: A stylus device is disclosed that is capable of changing its output so that it can communicate and function with a multitude of touch controllers of a computing device. In an aspect, the stylus device receives a message including the configuration information from the computing device. The configuration information may include an encoding scheme corresponding to a format for encoding data to be sent to the computing device and an operating frequency. The stylus configures itself in the encoding scheme, and communicates with the computing device using the encoding scheme. For example, the stylus device may encode data using the encoding scheme and send the data at the operating frequency.

    Method and device for replacing stylus tip
    4.
    发明授权
    Method and device for replacing stylus tip 有权
    用于替换触针尖的方法和装置

    公开(公告)号：US09244543B1

    公开(公告)日：2016-01-26

    申请号：US14313701

    申请日：2014-06-24

    Applicant: Amazon Technologies, Inc.

    Inventor： Kishore Sundara-Rajan ,  Zachary Lawrence Brand ,  Piotr Pawel Blaszczak ,  Ann Yuhui Yun ,  Timothy Michael Vanderet ,  Miguel Angel Morales

    IPC: G06F3/033 ,  G06F3/0354 ,  G06F3/041 ,  G06F3/038

    CPC classification number: G06F3/03545 ,  G06F3/038 ,  G06F3/0414 ,  G06F3/0416 ,  G06Q10/20

    Abstract: Systems, methods, and devices for monitoring use of a tip of a stylus, determining an amount of wear of or life remaining in the tip, and notifying a user when to replace the tip are disclosed. The tip should be replaced to avoid an abrasive material of the tip from being exposed and contacting a touch screen or other surface of a computing device to avoid scratching or otherwise damaging the touch screen or other surface of the computing device. The computing device or the stylus device may perform one or more of the monitoring, determining, or prompting steps.

    Abstract translation: 公开了用于监测触针尖端的使用的系统，方法和装置，确定尖端中剩余的磨损量或寿命，以及通知用户何时更换尖端。 应该更换尖端以避免尖端的研磨材料暴露并接触计算设备的触摸屏或其他表面，以避免划伤或以其他方式损坏计算设备的触摸屏或其他表面。 计算设备或触笔设备可以执行监视，确定或提示步骤中的一个或多个。

    CONFIGURABLE ACTIVE STYLUS DEVICES
    6.
    发明申请
    CONFIGURABLE ACTIVE STYLUS DEVICES 有权
    可配置的有源STYLUS设备

    公开(公告)号：US20150363012A1

    公开(公告)日：2015-12-17

    申请号：US14303053

    申请日：2014-06-12

    Applicant: Amazon Technologies, Inc.

    Inventor： Kishore Sundara-Rajan ,  Lakshman Rathnam

    IPC: G06F3/0354

    CPC classification number: G06F3/03545 ,  G06F3/038 ,  G06F3/0416 ,  G06F3/044 ,  G06F8/65 ,  G06F2203/0384

    Abstract: A stylus device is disclosed that is capable of changing its output so that it can communicate and function with a multitude of touch controllers of a computing device. In an aspect, the stylus device receives a message including the configuration information from the computing device. The configuration information may include an encoding scheme corresponding to a format for encoding data to be sent to the computing device and an operating frequency. The stylus configures itself in the encoding scheme, and communicates with the computing device using the encoding scheme. For example, the stylus device may encode data using the encoding scheme and send the data at the operating frequency.

    Abstract translation: 公开了一种能够改变其输出以使其能够与计算设备的大量触摸控制器通信和工作的触针装置。 在一个方面，触笔设备从计算设备接收包括配置信息的消息。 配置信息可以包括与用于编码要发送到计算设备的数据的格式相对应的编码方案和操作频率。 手写笔在编码方案中配置自身，并使用编码方案与计算设备进行通信。 例如，触笔装置可以使用编码方案对数据进行编码，并以工作频率发送数据。

    Stylus devices with configurable frequency
    7.
    发明授权
    Stylus devices with configurable frequency 有权

    公开(公告)号：US09632598B1

    公开(公告)日：2017-04-25

    申请号：US14303087

    申请日：2014-06-12

    Applicant: Amazon Technologies, Inc.

    Inventor： Kishore Sundara-Rajan

    IPC: G06F3/0354

    CPC classification number: G06F3/03545 ,  G06F1/3262 ,  G06F3/0383 ,  G06F2203/0384

    Abstract: A stylus device is disclosed that is adapted to change its operating frequency to accommodate for a changing noise environment. In an aspect, the stylus may communicate with a computing device using a first frequency. However, when a different frequency having a better signal to noise ration than the first frequency is available, the computing device may send a message to the stylus device to switch to a second frequency. For example, the stylus device may receive a message from the computing device including an indication to communicate with the computing device on the second frequency. The stylus device may configure itself to operate at the second frequency and communicate with the computing device using the second frequency.

    Capacitive communication between stylus devices and computing devices
    8.
    发明授权
    Capacitive communication between stylus devices and computing devices 有权

    公开(公告)号：US09606680B1

    公开(公告)日：2017-03-28

    申请号：US14303072

    申请日：2014-06-12

    Applicant: Amazon Technologies, Inc.

    Inventor： Kishore Sundara-Rajan

    IPC: G06F3/044 ,  G06F3/0354

    CPC classification number: G06F3/044 ,  G06F3/03545

    Abstract: A stylus device is disclosed that enables a computing device to communicate to the stylus device using a capacitive link. In an aspect, the stylus device detects a change in an electric field generated by the computing device. A message including data is received from the computing device via the change in the electric field. The message may include an identifier corresponding to a data encoding scheme to be used for sending data to the computing device. Based on the identifier, the stylus device may configure itself to operate using the data encoding scheme.

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